| ISO group WM | G(Work Material Group) | | Hardness (HB or HRC) | Ultimate Tensile Strength (MPa) | Examples of material (AISI, EN, DIN, SS, STN, BS, UNE, CN, AFNOR, GOST, UNI...) |
| P1.1 | | sulfurized | < 240 HB | ≤ 830 | AISI 1108, EN 15S22, DIN 1.0723, SS 1922, ČSN 11120, BS 210A15, UNE F.210F, GB Y15, AFNOR 10F1, GOST A30, UNICF10S20 |
| P1 P1.2 | Free machining steel (carbon steels with increased machinability) | sulfurized and phosphorized | < 180 HB | ≤ 620 | AISI 1211, EN 11SMn30, DIN 1.0715, SS 1912, ČSN 11109, BS 230M7, UNE F.2111, GB Y15, AFNOR S250, GOST A40G, UNICF9SMn28 |
| P1.3 | | sulfurized/phosphorized andleaded | < 180 HB | ≤ 620 | AISI 12L13, EN 11SMnPb30, DIN 1.0718, SS 1914, ČSN 12110, BS 210M16, UNE F.2114, GB Y15Pb, AFNOR S250Pb, GOST AS35G2, UNICF10SPb20 |
| P2 P2.1 P2.2 | Plain carbon steel (steels comprised of mainly iron and carbon) | containing containing | < 180HB < 240 HB | ≤620 ≤ 830 | AISI 1015,ENC15, DIN 1.0401, SS1350, ČSN 11301, BS 080A15, UNE F.111, GB15,AFNORC18RR, GOSTSt2ps, UNI Fe360 AISI 1030, EN C30, DIN 1.0528, SS 1550, ČSN 12031, BS 080M32, UNE F.1130, GB 30, AFNOR AF50C30, GOST 30G, UNI Fe590 |
| P2.3 | | containing>0.55%C | | ≤ 1030 | AISI 1060,ENC60, DIN 1.0601, SS1655, ČSN 12061, BS 080A62, UNE F513, GB 60,AFNOR 1C60, GOST60G, UNIC60 |
| P P3.1 | | annealed | < 180 HB | ≤ 620 | AISI 5015, EN 16Mo3, DIN 1.5415, SS 2912, ČSN 15020, BS 1501-240, UNE F.2601, GB 16Mo, AFNOR 15D3, GOST 15M, |
| P3 P3.2 | Alloy steel (carbon steels with an alloying content ≤ 10%) | hardened and tempered | 180 - 260 HB | > 620 ≤ 900 | UNI 16Mo3KW AISI 4140, EN 42CrMo4, DIN 1.7225, SS 2244, ČSN 15142, BS 708M40, UNE F.8232, GB 42CrMo, AFNOR 42CD4, GOST 40ChFA, UNI 42CrMo4 AISI 4140 EN 42CM4 DIN 17225 SS 2244 ČSN 15142 BS 708M40 UNE F8232 GB 42CM AFNOR 42CD4 |
| P3.3 P4.1 | | annealed | 260 - 360 HB < 26 HRC | > 900 ≤ 1240 ≤ 900 | , ro, ., , , , ., ro, , GOST 40ChFA, UNI 42CrMo4 AISI D2, EN X155CrVMo12-1, DIN 1.2370, SS 2736, ČSN 19573, BS BD2, UNE F.520A, GB Cr12Mo1V1, AFNOR Z160CDV12, GOSTCh12MF, UNI X155CrVMo121KU |
| P4 P4.2 | Tool steel (special alloy steel for tools, dies and molds) | hardened and tempered | 26 - 39 HRC | > 900 ≤ 1240 | AISI D2, EN X155CrVMo12-1, DIN 1.2370, SS 2736, ČSN 19573, BS BD2, UNE F.520A, GB Cr12Mo1V1, AFNOR Z160CDV12, GOSTCh12MF, UNI X155CrVMo121KU |
| P4.3 | | | 39 - 45 HRC | > 1240 ≤ 1450 | AISI D2, EN X155CrVMo12-1, DIN 1.2370, SS 2736, ČSN 19573, BS BD2, UNE F.520A, GB Cr12Mo1V1, AFNOR Z160CDV12, GOSTCh12MF, UNI X155CrVMo121KU |
| M1 M1.1 M1.2 | Ferritic stainless steel (straight chromium non-hardenable alloys) | | < 160HB 160 - 220 HB | ≤520 > 520 ≤ 700 | AISIS429,EN X7Cr14, DIN 1.4001, SS2326, BS434S17, UNE F.3401,AFNOR Z8C12, GOST08Ch13, UNI X6CrTi12 AISI 446, EN X10CrAl24, DIN 1.4762, SS 2322, ČSN 17113, BS 430S17, UNE F.3154, GB 10Cr17, AFNOR Z10CAS24, GOST 12Ch17UNI X16C26 |
| M2 M2.1 M2.2 | Martensitic stainless steel (straight chromium hardenable alloys) | annealed quenched and tempered | < 200HB 200 - 280 HB | ≤670 > 670 ≤ 950 | , r AISI 430F,EN X14CrMoS17, DIN 1.4104, SS2383, ČSN 17140, BS410S21, UNE F.3117,AFNOR Z10CF17, UNI X10CrS17 AISI 440C, EN X105CrMo17, DIN 1.4125, SS 2385, ČSN 17023, BS 425C11, UNE F.3402; GB 102Cr17Mo, AFNOR Z100CD17, GOST95Ch18UNIGX6CrNi 1304 |
| M M2.3 M3.1 | All | precipitation-hardened | 280-380HB < 200 HB | >950≤ 1300 ≤ 750 | , AISI 420,EN X45Cr13, DIN 1.4034, ČSN 17029, BS425C11, UNE F.3405,AFNOR Z44C14, GOST 20X17H12, UNI X30Cr13 AISI 308, EN X5CrNi18-12, DIN 1.4303, SS 2352, ČSN 17249, BS 305S17, UNE F.3513, GB 10Cr18Ni12, AFNOR Z8CN18.12, UNI X7CrNi1810 |
| M3 M3.2 | ustenitic stainess stee (chromium-nickel and chromium-nickel-manganese alloys) | | 200 - 260 HB | > 750 ≤ 870 | AISI 309, EN X15CrNiSi20-12, DIN 1.4828, ČSN 17251, BS 309S24, UNE F.3312, GB 1Cr23Ni13, AFNOR Z15CNS20.12, GOST 20Ch20N14S2, UNI 16CrNi2314 |
| M3.3 | | | 260-300HB | >870≤ 1040 | AISI5848,EN X45CrNiW18-9, DIN 1.4873, BS 331S40, UNE F.3211,AFNOR Z35CNWS14-4, UNI X45CrNiW 18 9 |
| M4.1 | Austenitic-ferritic (DUPLEX) or super-austenitic stainless steel | | < 300 HB | ≤ 990 | AISI 329, EN X1-NiCrMoCU25-20-5, DIN 1.4539, SS 2562, ČSN 17265, BS 318S13, UNE F.3552, GB 022Cr25NiMo2N, AFNOR Z1NCDU2520 |
| M4 M4.2 | Precipitation hardening austenitic stainless steel | | 300 - 380 HB | ≤ 1320 | . AISI 631 (17-7PH), EN X7CrNiAL17-7, DIN 1.4568, SS 2388, ČSN 17465 , BS 301S13, UNE F.3217, GB 07Cr17Ni7Al, AFNOR 29CNA17-07GOST09Ch17N7Ju1UNI X53CrMnNiN21 |
| K1.1 | | ferritic or ferritic-pearlitic | < 180 HB | ≤ 190 | , , ASTM A48 Grade 20 (F11401), EN-JL-100, DIN GG-10 (0.6010), SS 0110, STN 422410, BS Grade 150, UNE FG10, GBHAT 100,AFNOR Ft10D, GOSTSC10, UNIG10 |
| K1 K1.2 | Gray iron (ASTM A48) or Automotive Gray iron (ASTM A159) (iron-carbon castings with a lamellar graphite microstructure) | ferritic-pearlictic or pearlitic | 180 - 240 HB | > 190 ≤ 310 | ASTM A48 Grade 30 (F12101), EN-JL-1030, DIN GG-20 (0.6020), SS 0120, STN 422420, BS Grade 220, UNE FG20, GBHT200,AFNOR Ft20D, GOSTСЧ20, UNIG20 |
| K1.3 | | pearlitic | 240 - 280 HB | > 310 ≤ 390 | ASTM A48 Grade 50 (F13501), EN-JL-1060, DIN GG-35 (0.6035), SS 0135, STN 422435, BS Grade 350, UNE FG35, GBHAT300,AFNOR Ft35D, GOSTSC35, UNIG35 |
| K2.1 | Malleable iron (ASTM A602) | ferritic | < 160 HB | ≤ 400 | ASTM A602 Grade M3210 (F20000), EN-JM-1130, DIN GTS-35 (0.8135), SS 0815, BS B340/12, UNE Type A, AFNOR MN35-10, GOST КЧ35-10 |
| K2 K2.2 | (iron-carbon castings with a graphite-free microstructure) | ferritic orpearlitic | 160- 200HB | > 400≤550 | ASTM A602GradeM4504(F20001),EN-JM-1040, DINGTS-50-05 (0.8045), BSP50-05,AFNOR MB45-7 ASTM A602 Gd M7002 F20004 ENJM1140 DIN GTS45 08145 SS 0854 STN 422540 BS P 4506 UNE T B |
| K2.3 | | pearlitic | 200 - 240 HB | > 550 ≤ 660 | rae (), --, - (.), , , -, yp , AFNOR MP50-5GOST КЧ45-7UNIGMN 45 |
| K3.1 | | ferritic | < 180 HB | ≤ 560 | , , ASTM A536 Grade 60-40-18 (F32800), EN-JS-1030, DIN GGG-40 (0.7040), SS 0717, STN 422304, BS 420/12, UNE FGE 42-12, GB QT 400,AFNOR FGS400-12, GOSTВЧ40 |
| K K3 K3.2 | Ductile iron (ASTM A536) (iron-carbon castings with a nodular graphite microsturcture) | ferritic or pearlitic | 180 - 220 HB | > 560 ≤ 680 | ASTM A536 Grade 80-55-06 (F33800), EN-JS-1050, DIN GGG-50 (0.7050), SS 0727, STN 422305, BS 500/7, UNE FGE 50-7, GB QT500-7,AFNOR FGS 500-7, GOSTВЧ50 |
| K3.3 | | pearlitic | 220 - 260 HB | > 680 ≤ 800 | ASTM A536 Grade 100-70-03 (F34800), EN-JS-1060, DIN GGG-60 (0.7060), SS 0732, STN 422306, BS 600/3, UNE FG70-2, GB QT600-3,AFNOR FGS 600-3, GOSTВЧ60 |
| K4.1 | Austenitic gray iron (ASTM A436) (iron-carbonalloy castingswithanausteniticlamellargraphitemicrostructure | ) | < 180 HB | ≤ 190 | ASTM A436 Type 1 (L-NiCuCr 15 6 2, F41000), EN-JL-3011, DIN GGL-NiMn 13 7 (0.6652), SS 0523, BS Grade F1, AFNOR FGL-Ni13Mn7, GOSTS-NiMn 137 |
| K4 K4.2 K43 | Austenitic ductile iron (ASTM A439 or ASTM A571) (iron-carbonalloy castingswithanausteniticnodulargraphitemicrostructure | ) | < 240 HB < 280HB | ≤ 740 >840≤980 | ASTM A439 Type D-2B (S-NiCr 20 3, F43001), EN-JS-3021, DIN GGG-NiMn 23 4, SS 0776, BS Grade S2M, AFNOR FGSNi23Mn4, GOSTЧН19Х3Ш ASTM A897Grade110-70-11 |
| . K4.4 | Austempered ductile iron (ASTM A897) | | 280-320HB | >980≤ 1130 | ASTM A897Grade125-80-10,EN-JS-1100, DINGGG-90 (5.3400) |
| K4.5 K5.1 | (iron-carbon alloy castings with an ausferrite microstructure) | ferritic | 320-360HB < 180HB | > 1130≤ 1280 ≤ 400 | ASTM A897Grade2(150-110-07),EN-JS-1110, DINGGG-100 (5.3403) ASTM A842Grade 300,EN-GJV-300, DINGGV30, GOSTЧВГ30, |
| K5 K5.2 | Compacted graphite iron CGI (ASTM A842) ib i ih il hi | ferritic-pearlitic | 180- 220HB | > 400≤ 450 | ASTM A842Grade 350,EN-GJV-350, DINGGV35 (5.2200), GOSTЧВГ30, |
| K5.3 N1.1 | (ron-caron castngs wt a vermcuar grapte structure) Commercially purewrought aluminum | pearlitic | 220- 260HB | > 450≤500 ≤ 240 | ASTM A842Grade450,EN-GJV-450, DINGGV 45, GOSTЧВГ45, UNSA91200,EN AL99.0, DIN3.0205, SS4010, STN 424009, BS1C, UNE L-3001, GBL5,AFNOR A4, GOST АДС, UNI3567 |
| N1.2 | | half hard tempered | 60 - 100 HB | > 240 ≤ 400 | UNS A93004, EN AlMn0.5Mg0.5, DIN 3.0505, SS 4054, STN 424432, BS N31, UNE L-3831, GB LF2, AFNOR A-M1, |
| N1 N1.3 | Wrought aluminum alloys | full hard tempered | 100 - 150 HB | > 400 ≤ 590 | GOST АМц, UNI3568 UNS A95083, EN AlMg4.5Mn0.7, DIN 3.3547, SS 4140, STN 424415, BS N8, UNE L-3321, GB AlMg4.5Mn, AFNOR AG45MGOST A45UNI PAlM44 |
| N2 N2.1 N2.2 | Cast aluminium alloys | | < 75HB 75 - 90 HB | ≤ 240 > 240 ≤ 270 | -.n, mg ., -g. UNSA02080,EN AlCu4S, BSLM11, STN 424331, UNE AlSi1Cu, GOST AMg5K, UNIG-AlSi7Mg UNS A02420, EN AlCu4Ni2Mg2, SS AlSi7MgFe, BS LM6, STN 424519, UNE Al-7SiMg, AFNOR A-S7G, GOST AK7, UNIG-AlSi7Mg |
| N N2.3 N3.1 | Free-cutting copper-alloysmaterialswithexcellentmachining properties | | 90- 140HB | > 270≤ 440 | UNSA03360,ENG-ALCu4NiMg2, SSALSi10Mg, STN 424336, BSLM30,AFNOR A-S10G, UNIG-AlSi9Mg UNS C14700,ENCuPb1P, DIN 2.1498, STN 423214, BS C111,AFNORCuZn35Pb2, GOST L63-3, UNICuS(P0.01) |
| N3.2 | Short-chip copper-alloyswithgood tomoderatemachining properties | | | | UNS C81540,ENCuNi2SiCr, DIN 2.0857, STN 423220, BSNS113, UNECuSn12,AFNORCuZn40, GOST L60, UNI P-CuZn-40 |
| N3 N3.3 | Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties | | | | UNS C10100, EN CuAg0.1, DIN 2.1203, SS 5010, UNE CUSi3Mn1, AFNOR Cu-C2, GOST M1f, UNI Cu-OF |
| N4.1 | Thermoplastic polymers | | | | ABS, Acryl, Duraplast, Elastomer, EP, Epoxid, FEP, Fluor, Gummi, Kautschuk, Latex, MF, MPF, PA, PAI, PC, PE, PEEK, PEI, PES, PET, PF, Phenolharze, PI, PMMA, Polyamide, Polyester, Polyolefine, Polysulfon, POM, PP, PPE, PPS, PS, PSU, PTFE, PU, PUR, |
| N4 N4.2 N43 | Thermosetting polymers Rifdl i | | | | PVDF, SAN, SI, Styrol, UF, Ureol Aramid,Epoxy,Fluoropolymer,Mehacrylate,Melamine,Phenolic,Polyester,Polyimide,Polymethacrylimide,Polyurethane CFKGFKGMTHbKlLFTOSMC |
| . N5 N51 | enorce poymers orcompostes Ghit | | | | , , , oneycom, evar, , rgano, CGM1 CM00 GM10 GM11 GR030 GR030PI GR060 GR060PI GR125 MC01 MC01RO MC03 MC03M |
| . S11 | rape | | 200HB | 660 | -, -, -, -, , , , , , -, -, -, - UNSR50250Gd1EN Ti996DIN37035BSTA2UNE TiP2AFNOR T40GOSTBT100 |
| S1 . S1.2 S13 | Titanium or titanium alloys | | < 200- 280HB 280-360HB | ≤ >660≤950 >950≤ 1200 | (rae ), ., ., ., -o, -, - UNSR56404(Grade29),EN Ti2Cu, DIN3.7124, BSTA.21, UNE Ti-P11,AFNOR T-U2 UNSR54250(Grade38)EN TiAl6V4DIN37165ČSN TiAl6VELIBSTA13UNE Ti-P63AFNOR T-A6VGOSTBT6 |
| S . S2 S2.1 S2.2 | Fe-based high-temperature alloys | | < 200HB 200- 280HB | ≤690 >690≤970 | , , ., , . , , , UNSN08801(Incoloy 801),EN X8NiCrAlTi31-21, DIN 1.4959, BSNA 15,AFNOR Z8NC33-21 UNSN19907,EN X6NiCrTiMoVB25-15-2, DIN 1.4980, SS2570, BSHR52,AFNOR Z6NCTDV25.15B, GOST36НХТЮ UNS A09706 (Inconel 706), EN NiCr25FeAl, DIN 2.4856, BS HR 6, ČSN Inconel 625, UNE F.3313, GB 1Cr16Ni35, |
| S3 S3.1 | Ni-based high-temperature alloys | | < 280 HB | ≤ 940 | AFNOR NC22FeDNB, GOST XH38BT |
| S3.2 | | | 280-360HB | >940≤ 1200 | UNSN07001,EN NiCr20Co13Mo4Ti3Al, DIN 2.4654, BSHR 2, ČSN Waspaloy,AFNOR NCKD20ATV, GOST ХН80ТБЮ |
| S4 S4.1 S4.2 | Co-based high-temperature alloys | | < 240HB 240-320HB | ≤800 >800≤ 1070 | UNSR30016 (Stellite 6b),ENCoCr20W15Ni, DIN 2.4964,AFNOR KC20WN, GOSTЛК52 UNSR30016 (Stellite 6b),ENCoCr20W15Ni, DIN 2.4964,AFNOR KC20WN, GOSTЛК52 |
| H1 H1.1 | Chilled cast iron | | < 440 HB | | UNS F45001, EN-GJS-1050-6, DIN 5.3406, SS 0512, BS Grade 2A |
| H2 H2.1 H2.2 | Hardended cast iron | | >55HRC | | UNSF45003,EN-GJS-1400-1, DIN5.3405, SS 0457, BS Grade 3D UNSF45003,ENG-X260NiCr4-2, DIN0.9620, SS 0466, BS Grade S |
| H3.1 | | | < 51 HRC | | AISI 4135, EN 34CrMo4, DIN 1.7220, SS 2234, STN 415131, BS 198, UNE F.1250, GB 35CrMo, AFNOR 35CD4, |
| H H3 H3.2 | Hardened steel | | 51 - 55 HRC | | GOST АС38ХГМ, UNI35CrMo4KB AISI 4135, EN 34CrMo4, DIN 1.7220, SS 2234, STN 415131, BS 198, UNE F.1250, GB 35CrMo, AFNOR 35CD4, GOST АС38ХГМUNI35CrMo4KB |
| H4.1 | | | 55 - 59 HRC | | , UNS T31501, EN 100MnCrW4, DIN 1.2510, SS 2140, STN 419413, BS BO1, UNE F.5220, GB 9CrWMn, AFNOR 90MWCrV5, GOST9ХВГ, UNI95MNWCr5KU |
| H4 H4.2 | Hardened steel >55HRC | | > 59 HRC | | UNS T31501, EN 100MnCrW4, DIN 1.2510, SS 2140, STN 419413, BS BO1, UNE F.5220, GB 9CrWMn, AFNOR 90MWCrV5, GOST9ХВГ, UNI95MNWCr5KU |